package top.chenbn.guli.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;
import top.chenbn.guli.exceptionhandler.GuliException;
import top.chenbn.guli.vod.service.VideoService;
import top.chenbn.guli.vod.util.ConstantVodUtils;
import top.chenbn.guli.vod.util.InitVodCilent;

import java.io.InputStream;
import java.util.List;

/**
 * @author chbn
 * @create 2020-07-11 10:31
 */
@Service
public class VideoServiceImpl implements VideoService {

  @Override
  public String uploadAliyunVideo(MultipartFile file) {
    try {
      // accessKeyId, accessKeySecret
      // fileName：上传文件原始名称
      // 01.03.09.mp4
      String fileName = file.getOriginalFilename();
      // title：上传之后显示名称
      String title = fileName.substring(0, fileName.lastIndexOf("."));
      // inputStream：上传文件输入流
      InputStream inputStream = file.getInputStream();
      UploadStreamRequest request =
          new UploadStreamRequest(
              ConstantVodUtils.ACCESS_KEY_ID,
              ConstantVodUtils.ACCESS_KEY_SECRET,
              title,
              fileName,
              inputStream);

      UploadVideoImpl uploader = new UploadVideoImpl();
      UploadStreamResponse response = uploader.uploadStream(request);

      String videoId = null;
      if (response.isSuccess()) {
        videoId = response.getVideoId();
      } else { // 如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
        videoId = response.getVideoId();
      }
      return videoId;
    } catch (Exception e) {
      e.printStackTrace();
      return null;
    }
  }

  @Override
  public void removeMoreAlyVideo(List videoIdList) {
    try {
      // 初始化对象
      DefaultAcsClient client =
          InitVodCilent.initVodClient(
              ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
      // 创建删除视频request对象
      DeleteVideoRequest request = new DeleteVideoRequest();
      // videoIdList值转换成 1,2,3
      String videoIds = StringUtils.join(videoIdList.toArray(), ",");
      // 向request设置视频id
      request.setVideoIds(videoIds);
      // 调用初始化对象的方法实现删除
      client.getAcsResponse(request);
    } catch (Exception e) {
      e.printStackTrace();
      throw new GuliException(20001, "删除视频失败");
    }
  }
}
